Anti-corrosion measures for industrial valves Valve corrosion is generally considered for damage to the metal material of the valve caused by the chemical or electrochemical environment. Since "corrosion" occurs in the spontaneous interaction between metal and the surrounding environment, corrosion prevention focuses on isolating the metal from the surrounding environment or using more non-synthetic materials. Here 3 way stainless steel ball valve manufacturer in india will discuss the ways to prevent valve corrosion. Electrochemical protection: Cathodic and anode protection provide electrochemical protection. Socalled anode shielding involves adding a direct external current to the metal shield to increase the anode potential in the positive direction. When it is raised to a certain point, a dense protective film forms on the surface of the metal anode, which is a passive film. Safety Concerns Anodic material is easy to deactivate. Cathodic protection means that the protected metal is used as the cathode, and direct current is applied in the negative direction to reduce the potential. When a potential value is reached, the current wear rate decreases and the metal is protected. Also, you can protect a metal protected by cathodic protection from metal with a higher electrode potential than the protected metal. If zinc is used to conserve iron, then zinc and zinc are considered sacrificial metals. This cathodic protection method is used by cryogenic ball valves manufacturers in india for large valves and core valves and is an inexpensive, simple and effective procedure.
Metal surface treatment: Metal surface treatment processes include plating, surface penetration, surface oxidation passivation, etc. Its objective is to improve the corrosion resistance of metals and improve the mechanical energy of metals. Surface treatments are commonly used in the valve area. The wear-resistant valve stems is a problem that people pay attention to, and people have gained a lot of experience in manufacturing. Surface treatment methods such as nitriding, boron, chrome plating, and nickel plating are also used to improve corrosion resistance, wear resistance, and corrosion resistance.